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5278eb802f
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13091 Commits

Author SHA1 Message Date
Jim Grosbach
5278eb802f Rough first pass at compare_and_swap atomic builtins for ARM mode. Work in progress. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91090 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-11 01:42:04 +00:00
Jim Grosbach
cbd77d2cb1 Add instruction encoding for DMB/DSB 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91053 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-10 18:35:32 +00:00
Jim Grosbach
3728e96a6c Add memory barrier intrinsic support for ARM. Moving towards adding the atomic operations intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91003 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-10 00:11:09 +00:00
Evan Cheng
c363094e04 Optimize splat of a scalar load into a shuffle of a vector load when it's legal. e.g. 
vector_shuffle (scalar_to_vector (i32 load (ptr + 4))), undef, <0, 0, 0, 0>
=>
vector_shuffle (v4i32 load ptr), undef, <1, 1, 1, 1>

iff ptr is 16-byte aligned (or can be made into 16-byte aligned).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90984 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 21:00:30 +00:00
Evan Cheng
7bd6478cd6 Teach InferPtrAlignment to infer GV+cst alignment and use it to simplify x86 isl lowering code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90925 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 01:53:58 +00:00
Evan Cheng
64fa4a9584 Move isConsecutiveLoad to SelectionDAG. It's not target dependent and it's primary used by selectdag passes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90922 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 01:36:00 +00:00
Evan Cheng
d831cda3e7 - Support inline asm 'w' constraint for 128-bit vector types. 
- Also support the 'q' NEON registers asm code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90894 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 23:06:22 +00:00
Anton Korobeynikov
9aa1ec87b0 Reduce (cmp 0, and_su (foo, bar)) into (bit foo, bar). This saves extra instruction. Patch inspired by Brian Lucas! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90819 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 01:03:04 +00:00
Dan Gohman
d84ea47b89 Don't enable the post-RA scheduler on x86 except at -O3. In its 
current form, it is too expensive in compile time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90781 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 19:04:31 +00:00
Anton Korobeynikov
6bfcba7e13 Some pretty-printing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90742 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 02:28:41 +00:00
Anton Korobeynikov
06ccca5f70 Add lowering of returnaddr and frameaddr intrinsics. Shamelessly stolen from x86 :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90740 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 02:28:10 +00:00
Anton Korobeynikov
e662f7a8b2 Initial codegen support for MSP430 ISRs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90739 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 02:27:53 +00:00
Anton Korobeynikov
b2de1ea29b Add ability to select hw multiplier mode and select appropriate libcalls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90737 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 02:27:08 +00:00
Anton Korobeynikov
7cca606aaa Dynamic stack realignment use of sp register as source/dest register 
in "bic sp, sp, #15" leads to unpredicatble behaviour in Thumb2 mode.
Emit the following code instead:
mov r4, sp
bic r4, r4, #15
mov sp, r4

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90724 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-06 22:39:50 +00:00
Bill Wendling
740266269b Calling InvalidateEntry during the refinement was breaking the bootstrap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90656 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-05 07:59:04 +00:00
Bill Wendling
32bc2362a1 Final cleanups: 
- Privatize a typedef.
- Call the InvalidateEntry when refining a type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90655 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-05 07:46:49 +00:00
Bill Wendling
688da28687 Inline methods which are called only once. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90640 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-05 01:46:01 +00:00
Bill Wendling
5681689795 Refactor some code. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90639 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-05 01:43:33 +00:00
Dan Gohman
864e2efce2 Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of 
MachineBasicBlock::canFallThrough(), which is target-independent and more
thorough.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90634 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-05 00:44:40 +00:00
David Greene
adbc23cae1 Remove an unneeded include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90625 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 23:55:07 +00:00
David Greene
29dbf50b18 Have hasLoad/StoreFrom/ToStackSlot return the relevant MachineMemOperand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90608 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 22:38:46 +00:00
Bill Wendling
1500c4f49a Some code cleanup. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90588 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 21:03:02 +00:00
Jim Grosbach
4dc4a61c0c remove out of date FIXME. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90490 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 21:55:01 +00:00
Chris Lattner
89742c2c3f expand note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90429 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 07:43:46 +00:00
Chris Lattner
053321731c add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90428 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 07:41:54 +00:00
Chris Lattner
56856b1f46 fix a build problem with VC++, PR5664, patch by Alp Toker! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90419 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 06:58:32 +00:00
Bob Wilson
324f4f1633 Recognize canonical forms of vector shuffles where the same vector is used for 
both source operands.  In the canonical form, the 2nd operand is changed to an
undef and the shuffle mask is adjusted to only reference elements from the 1st
operand.  Radar 7434842.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90417 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 06:40:55 +00:00
Bill Wendling
cb06403145 Revert r90371. It was causing build failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90383 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 01:54:07 +00:00
Bill Wendling
b8e675c3c1 Further improvements: refactoring code that does the same thing into one 
function, converting "dyn_cast" to "cast", asserting the correct things, and
other general cleanups.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90371 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 01:15:46 +00:00
Chris Lattner
bf108bdee5 yay for case insensitive file systems (?) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90370 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 01:10:05 +00:00
Chris Lattner
35e86af8e5 remove some dead std::ostream using code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90366 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 00:55:04 +00:00
Chris Lattner
7896c9f436 improve portability to avoid conflicting with std::next in c++'0x. 
Patch by Howard Hinnant!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90365 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 00:50:42 +00:00
Bill Wendling
dd5eb02304 This initial code is meant to convert TargetData to use an AbstractTypesUser so 
that it doesn't have dangling pointers when abstract types are resolved. This
modifies it somewhat to address comments: making the "StructLayoutMap" an
anonymous structure, calling "removeAbstractTypeUser" when appropriate, and
adding asserts where helpful.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90362 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 00:17:12 +00:00
Jim Grosbach
e27d205d5d Factor the stack alignment calculations out into a target independent pass. 
No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90336 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-02 19:30:24 +00:00
Jim Grosbach
d122874996 Thumb1 exception handling setjmp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90246 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-01 18:10:36 +00:00
Johnny Chen
b731e87649 For VLDM/VSTM (Advanced SIMD), set encoding bits Inst{11-8} to 0b1011. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90243 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-01 17:37:06 +00:00
Johnny Chen
208d76cad9 For VMOV (immediate), make some of the encoding bits (cmode and op) unspecified. 
For VMOVv*i[16,32], op bit is don't care, and some cmode bits vary depending on
the immediate values.

Ref: Table A7-15 Modified immediate values for Advanced SIMD instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90173 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-01 00:02:02 +00:00
Dan Gohman
39a1fab856 Minor whitespace fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90166 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-30 23:33:53 +00:00
Dan Gohman
22f6526081 Fix a minor inconsistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90165 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-30 23:33:37 +00:00
Bob Wilson
15217e63bc Remove isProfitableToDuplicateIndirectBranch target hook. It is profitable 
for all the processors where I have tried it, and even when it might not help
performance, the cost is quite low.  The opportunities for duplicating
indirect branches are limited by other factors so code size does not change
much due to tail duplicating indirect branches aggressively.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90144 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-30 18:35:03 +00:00
Bob Wilson
afa1df467b Fix some more ARM unified syntax warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90141 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-30 17:47:19 +00:00
Mon P Wang
cd6e725f21 Added support to allow clients to custom widen. For X86, custom widen vectors for 
divide/remainder since these operations can trap by unroll them and adding undefs
for the resulting vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90108 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-30 02:42:02 +00:00
Chris Lattner
d4137f40da update and consolidate the load pre notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90050 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-29 02:19:52 +00:00
Chris Lattner
1d159838a3 add a deadargelim note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90009 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-27 17:12:30 +00:00
Chris Lattner
6d94926a52 This testcase is actually only partially redundant, and requires 
the FIXME I added yesterday to be implemented.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90008 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-27 16:53:57 +00:00
Chris Lattner
20ce7c0ded this (and probably several others) are now done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89982 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-27 00:35:04 +00:00
Chris Lattner
cc3d0eb483 Teach memdep to phi translate bitcasts. This allows us to compile 
the example in GCC PR16799 to:

LBB1_2:                                                     ## %bb1
	movl	%eax, %eax
	subq	%rax, %rdi
	movq	%rdi, (%rcx)
	movl	(%rdi), %eax
	testl	%eax, %eax
	je	LBB1_2

instead of:

LBB1_2:                                                     ## %bb1
	movl	(%rdi), %ecx
	subq	%rcx, %rdi
	movq	%rdi, (%rax)
	cmpl	$0, (%rdi)
	je	LBB1_2



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89978 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-26 23:41:07 +00:00
Chris Lattner
5d5261c819 Teach basicaa that x|c == x+c when the c bits of x are clear. This 
allows us to compile the example in readme.txt into:

LBB1_1:                                                     ## %bb
	movl	4(%rdx,%rax), %ecx
	movl	%ecx, %esi
	imull	(%rdx,%rax), %esi
	imull	%esi, %ecx
	movl	%esi, 8(%rdx,%rax)
	imull	%ecx, %esi
	movl	%ecx, 12(%rdx,%rax)
	movl	%esi, 16(%rdx,%rax)
	imull	%ecx, %esi
	movl	%esi, 20(%rdx,%rax)
	addq	$16, %rax
	cmpq	$4000, %rax
	jne	LBB1_1

instead of:

LBB1_1: 
	movl	(%rdx,%rax), %ecx
	imull	4(%rdx,%rax), %ecx
	movl	%ecx, 8(%rdx,%rax)
	imull	4(%rdx,%rax), %ecx
	movl	%ecx, 12(%rdx,%rax)
	imull	8(%rdx,%rax), %ecx
	movl	%ecx, 16(%rdx,%rax)
	imull	12(%rdx,%rax), %ecx
	movl	%ecx, 20(%rdx,%rax)
	addq	$16, %rax
	cmpq	$4000, %rax
	jne	LBB1_1

GCC (4.2) doesn't seem to be able to eliminate the loads in this 
testcase either, it generates:

L2:
	movl	(%rdx), %eax
	imull	4(%rdx), %eax
	movl	%eax, 8(%rdx)
	imull	4(%rdx), %eax
	movl	%eax, 12(%rdx)
	imull	8(%rdx), %eax
	movl	%eax, 16(%rdx)
	imull	12(%rdx), %eax
	movl	%eax, 20(%rdx)
	addl	$4, %ecx
	addq	$16, %rdx
	cmpl	$1002, %ecx
	jne	L2




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89952 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-26 16:26:43 +00:00
Chris Lattner
f6ac4d9dad teach basicaa that A[i] != A[i+1]. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89951 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-26 16:18:10 +00:00
Chris Lattner
9c6a0dcf0e update some notes slightly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89913 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-26 01:51:18 +00:00